Finding the Fourth Proportional to 146,591.72, 202,348.56 and 89,204.84

Step by Step Solution

1. Step 1: Write the proportion equation
   146,591.72 : 202,348.56 = 89,204.84 : x
2. Step 2: Convert to fraction form
   146,591.72/202,348.56 = 89,204.84/x
3. Step 3: Cross multiply
   146,591.72x = 202,348.56 × 89,204.84
4. Step 4: Simplify right side
   146,591.72x = 18,050,470,919.03
5. Step 5: Solve for x
   x = 18,050,470,919.03/146,591.72
6. Step 6: Final answer
   x = 123,134.31